<?php

require_once 'HTMLPurifier/DefinitionCache/Decorator.php';

/**
 * Definition cache decorator class that cleans up the cache
 * whenever there is a cache miss.
 */
class HTMLPurifier_DefinitionCache_Decorator_Cleanup extends
	  HTMLPurifier_DefinitionCache_Decorator
{
	
	var $name = 'Cleanup';
	
	function copy() {
		return new HTMLPurifier_DefinitionCache_Decorator_Cleanup();
	}
	
	function add($def, $config) {
		$status = parent::add($def, $config);
		if (!$status) parent::cleanup($config);
		return $status;
	}
	
	function set($def, $config) {
		$status = parent::set($def, $config);
		if (!$status) parent::cleanup($config);
		return $status;
	}
	
	function replace($def, $config) {
		$status = parent::replace($def, $config);
		if (!$status) parent::cleanup($config);
		return $status;
	}
	
	function get($config) {
		$ret = parent::get($config);
		if (!$ret) parent::cleanup($config);
		return $ret;
	}
	
}

